from typing import Dict, Union

person_dic = {
    "name": "小明",
    "age": 18,
    "gender": "男",
    "height": 1.75
}
# 字典遍历
for k in person_dic:
    # print("键:", k, "-->值：", person_dic[k])
    print("键：%s\t\t\t\t值:%s" % (k, person_dic[k]))
